Finding the Fourth Proportional to 108,262,346.50, 149,401,876.60 and 58,702,630.15

Step by Step Solution

1. Step 1: Write the proportion equation
   108,262,346.50 : 149,401,876.60 = 58,702,630.15 : x
2. Step 2: Convert to fraction form
   108,262,346.50/149,401,876.60 = 58,702,630.15/x
3. Step 3: Cross multiply
   108,262,346.50x = 149,401,876.60 × 58,702,630.15
4. Step 4: Simplify right side
   108,262,346.50x = 8,770,283,105,765,739
5. Step 5: Solve for x
   x = 8,770,283,105,765,739/108,262,346.50
6. Step 6: Final answer
   x = 81,009,542.00