Finding the Fourth Proportional to 107,535, 148,398.30 and 60,431

Step by Step Solution

1. Step 1: Write the proportion equation
   107,535 : 148,398.30 = 60,431 : x
2. Step 2: Convert to fraction form
   107,535/148,398.30 = 60,431/x
3. Step 3: Cross multiply
   107,535x = 148,398.30 × 60,431
4. Step 4: Simplify right side
   107,535x = 8,967,857,667.30
5. Step 5: Solve for x
   x = 8,967,857,667.30/107,535
6. Step 6: Final answer
   x = 83,394.78