Finding the Fourth Proportional to 78,326.52, 108,146.76 and 48,152.31

Step by Step Solution

1. Step 1: Write the proportion equation
   78,326.52 : 108,146.76 = 48,152.31 : x
2. Step 2: Convert to fraction form
   78,326.52/108,146.76 = 48,152.31/x
3. Step 3: Cross multiply
   78,326.52x = 108,146.76 × 48,152.31
4. Step 4: Simplify right side
   78,326.52x = 5,207,516,313.02
5. Step 5: Solve for x
   x = 5,207,516,313.02/78,326.52
6. Step 6: Final answer
   x = 66,484.71