Finding the Fourth Proportional to 96,789.51, 145,117.89 and 49,312.71

Step by Step Solution

1. Step 1: Write the proportion equation
   96,789.51 : 145,117.89 = 49,312.71 : x
2. Step 2: Convert to fraction form
   96,789.51/145,117.89 = 49,312.71/x
3. Step 3: Cross multiply
   96,789.51x = 145,117.89 × 49,312.71
4. Step 4: Simplify right side
   96,789.51x = 7,156,156,425.38
5. Step 5: Solve for x
   x = 7,156,156,425.38/96,789.51
6. Step 6: Final answer
   x = 73,935.25