Finding the Fourth Proportional to 1,129,931.59, 1,559,316.86 and 613,695.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,931.59 : 1,559,316.86 = 613,695.57 : x
2. Step 2: Convert to fraction form
   1,129,931.59/1,559,316.86 = 613,695.57/x
3. Step 3: Cross multiply
   1,129,931.59x = 1,559,316.86 × 613,695.57
4. Step 4: Simplify right side
   1,129,931.59x = 956,945,849,208.31
5. Step 5: Solve for x
   x = 956,945,849,208.31/1,129,931.59
6. Step 6: Final answer
   x = 846,906.01