Finding the Fourth Proportional to 86,938,687.77, 119,976,789.48 and 49,768,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,938,687.77 : 119,976,789.48 = 49,768,818.50 : x
2. Step 2: Convert to fraction form
   86,938,687.77/119,976,789.48 = 49,768,818.50/x
3. Step 3: Cross multiply
   86,938,687.77x = 119,976,789.48 × 49,768,818.50
4. Step 4: Simplify right side
   86,938,687.77x = 5,971,103,059,242,945
5. Step 5: Solve for x
   x = 5,971,103,059,242,945/86,938,687.77
6. Step 6: Final answer
   x = 68,681,771.17