Finding the Fourth Proportional to 83,434.72, 125,150.64 and 28,030.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,434.72 : 125,150.64 = 28,030.72 : x
2. Step 2: Convert to fraction form
   83,434.72/125,150.64 = 28,030.72/x
3. Step 3: Cross multiply
   83,434.72x = 125,150.64 × 28,030.72
4. Step 4: Simplify right side
   83,434.72x = 3,508,062,547.66
5. Step 5: Solve for x
   x = 3,508,062,547.66/83,434.72
6. Step 6: Final answer
   x = 42,045.60