Finding the Fourth Proportional to 144,020,081.32, 216,021,153.91 and 88,698,443.34

Step by Step Solution

1. Step 1: Write the proportion equation
   144,020,081.32 : 216,021,153.91 = 88,698,443.34 : x
2. Step 2: Convert to fraction form
   144,020,081.32/216,021,153.91 = 88,698,443.34/x
3. Step 3: Cross multiply
   144,020,081.32x = 216,021,153.91 × 88,698,443.34
4. Step 4: Simplify right side
   144,020,081.32x = 19,160,740,080,327,556
5. Step 5: Solve for x
   x = 19,160,740,080,327,556/144,020,081.32
6. Step 6: Final answer
   x = 133,042,141.80