Finding the Fourth Proportional to 101,155.52, 139,593.84 and 58,718

Step by Step Solution

1. Step 1: Write the proportion equation
   101,155.52 : 139,593.84 = 58,718 : x
2. Step 2: Convert to fraction form
   101,155.52/139,593.84 = 58,718/x
3. Step 3: Cross multiply
   101,155.52x = 139,593.84 × 58,718
4. Step 4: Simplify right side
   101,155.52x = 8,196,671,097.12
5. Step 5: Solve for x
   x = 8,196,671,097.12/101,155.52
6. Step 6: Final answer
   x = 81,030.39