Finding the Fourth Proportional to 91,006.72, 136,445.38 and 34,799.48

Step by Step Solution

1. Step 1: Write the proportion equation
   91,006.72 : 136,445.38 = 34,799.48 : x
2. Step 2: Convert to fraction form
   91,006.72/136,445.38 = 34,799.48/x
3. Step 3: Cross multiply
   91,006.72x = 136,445.38 × 34,799.48
4. Step 4: Simplify right side
   91,006.72x = 4,748,228,272.40
5. Step 5: Solve for x
   x = 4,748,228,272.40/91,006.72
6. Step 6: Final answer
   x = 52,174.48