Finding the Fourth Proportional to 85,588,659.57, 118,112,350.20 and 48,920,017.89

Step by Step Solution

1. Step 1: Write the proportion equation
   85,588,659.57 : 118,112,350.20 = 48,920,017.89 : x
2. Step 2: Convert to fraction form
   85,588,659.57/118,112,350.20 = 48,920,017.89/x
3. Step 3: Cross multiply
   85,588,659.57x = 118,112,350.20 × 48,920,017.89
4. Step 4: Simplify right side
   85,588,659.57x = 5,778,058,284,813,945
5. Step 5: Solve for x
   x = 5,778,058,284,813,945/85,588,659.57
6. Step 6: Final answer
   x = 67,509,624.68