Finding the Fourth Proportional to 61,038.91, 91,587.53 and 38,877.31

Step by Step Solution

1. Step 1: Write the proportion equation
   61,038.91 : 91,587.53 = 38,877.31 : x
2. Step 2: Convert to fraction form
   61,038.91/91,587.53 = 38,877.31/x
3. Step 3: Cross multiply
   61,038.91x = 91,587.53 × 38,877.31
4. Step 4: Simplify right side
   61,038.91x = 3,560,676,601.56
5. Step 5: Solve for x
   x = 3,560,676,601.56/61,038.91
6. Step 6: Final answer
   x = 58,334.54