Finding the Fourth Proportional to 1,548,810.72, 2,323,332.72 and 426,870

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548,810.72 : 2,323,332.72 = 426,870 : x
2. Step 2: Convert to fraction form
   1,548,810.72/2,323,332.72 = 426,870/x
3. Step 3: Cross multiply
   1,548,810.72x = 2,323,332.72 × 426,870
4. Step 4: Simplify right side
   1,548,810.72x = 991,761,038,186.40
5. Step 5: Solve for x
   x = 991,761,038,186.40/1,548,810.72
6. Step 6: Final answer
   x = 640,337.15