Finding the Fourth Proportional to 42,123.61, 63,141.67 and 17,152.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123.61 : 63,141.67 = 17,152.93 : x
2. Step 2: Convert to fraction form
   42,123.61/63,141.67 = 17,152.93/x
3. Step 3: Cross multiply
   42,123.61x = 63,141.67 × 17,152.93
4. Step 4: Simplify right side
   42,123.61x = 1,083,064,645.59
5. Step 5: Solve for x
   x = 1,083,064,645.59/42,123.61
6. Step 6: Final answer
   x = 25,711.58