Finding the Fourth Proportional to 91,764.63, 137,700.59 and 38,452.05

Step by Step Solution

1. Step 1: Write the proportion equation
   91,764.63 : 137,700.59 = 38,452.05 : x
2. Step 2: Convert to fraction form
   91,764.63/137,700.59 = 38,452.05/x
3. Step 3: Cross multiply
   91,764.63x = 137,700.59 × 38,452.05
4. Step 4: Simplify right side
   91,764.63x = 5,294,869,779.45
5. Step 5: Solve for x
   x = 5,294,869,779.45/91,764.63
6. Step 6: Final answer
   x = 57,700.55