Finding the Fourth Proportional to 269,196,124.32, 403,632,454.32 and 105,238,602.72

Step by Step Solution

1. Step 1: Write the proportion equation
   269,196,124.32 : 403,632,454.32 = 105,238,602.72 : x
2. Step 2: Convert to fraction form
   269,196,124.32/403,632,454.32 = 105,238,602.72/x
3. Step 3: Cross multiply
   269,196,124.32x = 403,632,454.32 × 105,238,602.72
4. Step 4: Simplify right side
   269,196,124.32x = 42,477,715,505,081,024
5. Step 5: Solve for x
   x = 42,477,715,505,081,024/269,196,124.32
6. Step 6: Final answer
   x = 157,794,677.07