Finding the Fourth Proportional to 99,210.96, 148,814.52 and 29,088.72

Step by Step Solution

1. Step 1: Write the proportion equation
   99,210.96 : 148,814.52 = 29,088.72 : x
2. Step 2: Convert to fraction form
   99,210.96/148,814.52 = 29,088.72/x
3. Step 3: Cross multiply
   99,210.96x = 148,814.52 × 29,088.72
4. Step 4: Simplify right side
   99,210.96x = 4,328,823,904.21
5. Step 5: Solve for x
   x = 4,328,823,904.21/99,210.96
6. Step 6: Final answer
   x = 43,632.52