Finding the Fourth Proportional to 94,315.49, 141,431.71 and 49,931.86

Step by Step Solution

1. Step 1: Write the proportion equation
   94,315.49 : 141,431.71 = 49,931.86 : x
2. Step 2: Convert to fraction form
   94,315.49/141,431.71 = 49,931.86/x
3. Step 3: Cross multiply
   94,315.49x = 141,431.71 × 49,931.86
4. Step 4: Simplify right side
   94,315.49x = 7,061,948,343.28
5. Step 5: Solve for x
   x = 7,061,948,343.28/94,315.49
6. Step 6: Final answer
   x = 74,875.81