Finding the Fourth Proportional to 107,111.06, 147,807.54 and 61,786.32

Step by Step Solution

1. Step 1: Write the proportion equation
   107,111.06 : 147,807.54 = 61,786.32 : x
2. Step 2: Convert to fraction form
   107,111.06/147,807.54 = 61,786.32/x
3. Step 3: Cross multiply
   107,111.06x = 147,807.54 × 61,786.32
4. Step 4: Simplify right side
   107,111.06x = 9,132,483,964.85
5. Step 5: Solve for x
   x = 9,132,483,964.85/107,111.06
6. Step 6: Final answer
   x = 85,261.82