Finding the Fourth Proportional to 66,592.78, 91,900.83 and 38,298.49

Step by Step Solution

1. Step 1: Write the proportion equation
   66,592.78 : 91,900.83 = 38,298.49 : x
2. Step 2: Convert to fraction form
   66,592.78/91,900.83 = 38,298.49/x
3. Step 3: Cross multiply
   66,592.78x = 91,900.83 × 38,298.49
4. Step 4: Simplify right side
   66,592.78x = 3,519,663,018.75
5. Step 5: Solve for x
   x = 3,519,663,018.75/66,592.78
6. Step 6: Final answer
   x = 52,853.52