Finding the Fourth Proportional to 42,038.71, 63,061.70 and 12,053.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,038.71 : 63,061.70 = 12,053.08 : x
2. Step 2: Convert to fraction form
   42,038.71/63,061.70 = 12,053.08/x
3. Step 3: Cross multiply
   42,038.71x = 63,061.70 × 12,053.08
4. Step 4: Simplify right side
   42,038.71x = 760,087,715.04
5. Step 5: Solve for x
   x = 760,087,715.04/42,038.71
6. Step 6: Final answer
   x = 18,080.66