Finding the Fourth Proportional to 91,598.76, 137,417.73 and 28,417.51

Step by Step Solution

1. Step 1: Write the proportion equation
   91,598.76 : 137,417.73 = 28,417.51 : x
2. Step 2: Convert to fraction form
   91,598.76/137,417.73 = 28,417.51/x
3. Step 3: Cross multiply
   91,598.76x = 137,417.73 × 28,417.51
4. Step 4: Simplify right side
   91,598.76x = 3,905,069,372.91
5. Step 5: Solve for x
   x = 3,905,069,372.91/91,598.76
6. Step 6: Final answer
   x = 42,632.34