Finding the Fourth Proportional to 42,750.59, 64,126.76 and 14,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,750.59 : 64,126.76 = 14,670.50 : x
2. Step 2: Convert to fraction form
   42,750.59/64,126.76 = 14,670.50/x
3. Step 3: Cross multiply
   42,750.59x = 64,126.76 × 14,670.50
4. Step 4: Simplify right side
   42,750.59x = 940,771,238.59
5. Step 5: Solve for x
   x = 940,771,238.59/42,750.59
6. Step 6: Final answer
   x = 22,006.04