Finding the Fourth Proportional to 101,025.94, 139,428.45 and 58,018.92

Step by Step Solution

1. Step 1: Write the proportion equation
   101,025.94 : 139,428.45 = 58,018.92 : x
2. Step 2: Convert to fraction form
   101,025.94/139,428.45 = 58,018.92/x
3. Step 3: Cross multiply
   101,025.94x = 139,428.45 × 58,018.92
4. Step 4: Simplify right side
   101,025.94x = 8,089,488,086.27
5. Step 5: Solve for x
   x = 8,089,488,086.27/101,025.94
6. Step 6: Final answer
   x = 80,073.38