Finding the Fourth Proportional to 103,237.20, 142,488.72 and 60,806.16

Step by Step Solution

1. Step 1: Write the proportion equation
   103,237.20 : 142,488.72 = 60,806.16 : x
2. Step 2: Convert to fraction form
   103,237.20/142,488.72 = 60,806.16/x
3. Step 3: Cross multiply
   103,237.20x = 142,488.72 × 60,806.16
4. Step 4: Simplify right side
   103,237.20x = 8,664,191,906.52
5. Step 5: Solve for x
   x = 8,664,191,906.52/103,237.20
6. Step 6: Final answer
   x = 83,925.10