Finding the Fourth Proportional to 101,320.71, 139,839.96 and 58,903.86

Step by Step Solution

1. Step 1: Write the proportion equation
   101,320.71 : 139,839.96 = 58,903.86 : x
2. Step 2: Convert to fraction form
   101,320.71/139,839.96 = 58,903.86/x
3. Step 3: Cross multiply
   101,320.71x = 139,839.96 × 58,903.86
4. Step 4: Simplify right side
   101,320.71x = 8,237,113,426.25
5. Step 5: Solve for x
   x = 8,237,113,426.25/101,320.71
6. Step 6: Final answer
   x = 81,297.43