Finding the Fourth Proportional to 83,881,016.39, 115,696,174.15 and 55,989,664.04

Step by Step Solution

1. Step 1: Write the proportion equation
   83,881,016.39 : 115,696,174.15 = 55,989,664.04 : x
2. Step 2: Convert to fraction form
   83,881,016.39/115,696,174.15 = 55,989,664.04/x
3. Step 3: Cross multiply
   83,881,016.39x = 115,696,174.15 × 55,989,664.04
4. Step 4: Simplify right side
   83,881,016.39x = 6,477,789,921,371,833
5. Step 5: Solve for x
   x = 6,477,789,921,371,833/83,881,016.39
6. Step 6: Final answer
   x = 77,225,935.02