Finding the Fourth Proportional to 85,300.52, 127,973.47 and 29,140.54

Step by Step Solution

1. Step 1: Write the proportion equation
   85,300.52 : 127,973.47 = 29,140.54 : x
2. Step 2: Convert to fraction form
   85,300.52/127,973.47 = 29,140.54/x
3. Step 3: Cross multiply
   85,300.52x = 127,973.47 × 29,140.54
4. Step 4: Simplify right side
   85,300.52x = 3,729,215,875.77
5. Step 5: Solve for x
   x = 3,729,215,875.77/85,300.52
6. Step 6: Final answer
   x = 43,718.56