Finding the Fourth Proportional to 91,323,811.49, 137,008,557.72 and 26,627,616.55

Step by Step Solution

1. Step 1: Write the proportion equation
   91,323,811.49 : 137,008,557.72 = 26,627,616.55 : x
2. Step 2: Convert to fraction form
   91,323,811.49/137,008,557.72 = 26,627,616.55/x
3. Step 3: Cross multiply
   91,323,811.49x = 137,008,557.72 × 26,627,616.55
4. Step 4: Simplify right side
   91,323,811.49x = 3,648,211,339,036,702.50
5. Step 5: Solve for x
   x = 3,648,211,339,036,702.50/91,323,811.49
6. Step 6: Final answer
   x = 39,948,084.51