Finding the Fourth Proportional to 2,692,131,894.63, 3,715,761,887.69 and 1,578,656,711.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692,131,894.63 : 3,715,761,887.69 = 1,578,656,711.43 : x
2. Step 2: Convert to fraction form
   2,692,131,894.63/3,715,761,887.69 = 1,578,656,711.43/x
3. Step 3: Cross multiply
   2,692,131,894.63x = 3,715,761,887.69 × 1,578,656,711.43
4. Step 4: Simplify right side
   2,692,131,894.63x = 5,865,912,442,069,731,328
5. Step 5: Solve for x
   x = 5,865,912,442,069,731,328/2,692,131,894.63
6. Step 6: Final answer
   x = 2,178,909,753.19