Finding the Fourth Proportional to 86,038, 129,061.86 and 30,634

Step by Step Solution

1. Step 1: Write the proportion equation
   86,038 : 129,061.86 = 30,634 : x
2. Step 2: Convert to fraction form
   86,038/129,061.86 = 30,634/x
3. Step 3: Cross multiply
   86,038x = 129,061.86 × 30,634
4. Step 4: Simplify right side
   86,038x = 3,953,681,019.24
5. Step 5: Solve for x
   x = 3,953,681,019.24/86,038
6. Step 6: Final answer
   x = 45,952.73