Finding the Fourth Proportional to 1,118,111,233.97, 1,543,062,538.17 and 616,318,887.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,111,233.97 : 1,543,062,538.17 = 616,318,887.57 : x
2. Step 2: Convert to fraction form
   1,118,111,233.97/1,543,062,538.17 = 616,318,887.57/x
3. Step 3: Cross multiply
   1,118,111,233.97x = 1,543,062,538.17 × 616,318,887.57
4. Step 4: Simplify right side
   1,118,111,233.97x = 951,018,586,975,875,200
5. Step 5: Solve for x
   x = 951,018,586,975,875,200/1,118,111,233.97
6. Step 6: Final answer
   x = 850,558,118.08