Finding the Fourth Proportional to 25,732,139.36, 35,510,972.56 and 13,971,907.76

Step by Step Solution

1. Step 1: Write the proportion equation
   25,732,139.36 : 35,510,972.56 = 13,971,907.76 : x
2. Step 2: Convert to fraction form
   25,732,139.36/35,510,972.56 = 13,971,907.76/x
3. Step 3: Cross multiply
   25,732,139.36x = 35,510,972.56 × 13,971,907.76
4. Step 4: Simplify right side
   25,732,139.36x = 496,156,033,076,211.06
5. Step 5: Solve for x
   x = 496,156,033,076,211.06/25,732,139.36
6. Step 6: Final answer
   x = 19,281,569.49