Finding the Fourth Proportional to 1,156,007.13, 1,595,253.81 and 639,729.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156,007.13 : 1,595,253.81 = 639,729.96 : x
2. Step 2: Convert to fraction form
   1,156,007.13/1,595,253.81 = 639,729.96/x
3. Step 3: Cross multiply
   1,156,007.13x = 1,595,253.81 × 639,729.96
4. Step 4: Simplify right side
   1,156,007.13x = 1,020,531,656,061.15
5. Step 5: Solve for x
   x = 1,020,531,656,061.15/1,156,007.13
6. Step 6: Final answer
   x = 882,807.41