Finding the Fourth Proportional to 111,513,495.43, 153,879,601.59 and 64,473,586.96

Step by Step Solution

1. Step 1: Write the proportion equation
   111,513,495.43 : 153,879,601.59 = 64,473,586.96 : x
2. Step 2: Convert to fraction form
   111,513,495.43/153,879,601.59 = 64,473,586.96/x
3. Step 3: Cross multiply
   111,513,495.43x = 153,879,601.59 × 64,473,586.96
4. Step 4: Simplify right side
   111,513,495.43x = 9,921,169,874,483,020
5. Step 5: Solve for x
   x = 9,921,169,874,483,020/111,513,495.43
6. Step 6: Final answer
   x = 88,968,333.71