Finding the Fourth Proportional to 93,156.48, 139,559.76 and 72,277.92

Step by Step Solution

1. Step 1: Write the proportion equation
   93,156.48 : 139,559.76 = 72,277.92 : x
2. Step 2: Convert to fraction form
   93,156.48/139,559.76 = 72,277.92/x
3. Step 3: Cross multiply
   93,156.48x = 139,559.76 × 72,277.92
4. Step 4: Simplify right side
   93,156.48x = 10,087,089,168.50
5. Step 5: Solve for x
   x = 10,087,089,168.50/93,156.48
6. Step 6: Final answer
   x = 108,281.13