Finding the Fourth Proportional to 83,887.82, 115,767.17 and 47,591.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,887.82 : 115,767.17 = 47,591.72 : x
2. Step 2: Convert to fraction form
   83,887.82/115,767.17 = 47,591.72/x
3. Step 3: Cross multiply
   83,887.82x = 115,767.17 × 47,591.72
4. Step 4: Simplify right side
   83,887.82x = 5,509,558,803.34
5. Step 5: Solve for x
   x = 5,509,558,803.34/83,887.82
6. Step 6: Final answer
   x = 65,677.70