Finding the Fourth Proportional to 103,505.83, 142,837.46 and 63,214.00

Step by Step Solution

1. Step 1: Write the proportion equation
   103,505.83 : 142,837.46 = 63,214.00 : x
2. Step 2: Convert to fraction form
   103,505.83/142,837.46 = 63,214.00/x
3. Step 3: Cross multiply
   103,505.83x = 142,837.46 × 63,214.00
4. Step 4: Simplify right side
   103,505.83x = 9,029,326,760.33
5. Step 5: Solve for x
   x = 9,029,326,760.33/103,505.83
6. Step 6: Final answer
   x = 87,234.96