Finding the Fourth Proportional to 1,018,900.52, 1,406,097.33 and 560,057.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,900.52 : 1,406,097.33 = 560,057.57 : x
2. Step 2: Convert to fraction form
   1,018,900.52/1,406,097.33 = 560,057.57/x
3. Step 3: Cross multiply
   1,018,900.52x = 1,406,097.33 × 560,057.57
4. Step 4: Simplify right side
   1,018,900.52x = 787,495,453,823.29
5. Step 5: Solve for x
   x = 787,495,453,823.29/1,018,900.52
6. Step 6: Final answer
   x = 772,887.48