Finding the Fourth Proportional to 37,066.47, 55,602.17 and 13,047.88

Step by Step Solution

1. Step 1: Write the proportion equation
   37,066.47 : 55,602.17 = 13,047.88 : x
2. Step 2: Convert to fraction form
   37,066.47/55,602.17 = 13,047.88/x
3. Step 3: Cross multiply
   37,066.47x = 55,602.17 × 13,047.88
4. Step 4: Simplify right side
   37,066.47x = 725,490,441.90
5. Step 5: Solve for x
   x = 725,490,441.90/37,066.47
6. Step 6: Final answer
   x = 19,572.69