Finding the Fourth Proportional to 111,105,315.92, 153,326,562.12 and 61,546,448.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,105,315.92 : 153,326,562.12 = 61,546,448.72 : x
2. Step 2: Convert to fraction form
   111,105,315.92/153,326,562.12 = 61,546,448.72/x
3. Step 3: Cross multiply
   111,105,315.92x = 153,326,562.12 × 61,546,448.72
4. Step 4: Simplify right side
   111,105,315.92x = 9,436,705,392,932,474
5. Step 5: Solve for x
   x = 9,436,705,392,932,474/111,105,315.92
6. Step 6: Final answer
   x = 84,934,778.46