Finding the Fourth Proportional to 249,674,100.59, 374,659,103.25 and 139,102,320.08

Step by Step Solution

1. Step 1: Write the proportion equation
   249,674,100.59 : 374,659,103.25 = 139,102,320.08 : x
2. Step 2: Convert to fraction form
   249,674,100.59/374,659,103.25 = 139,102,320.08/x
3. Step 3: Cross multiply
   249,674,100.59x = 374,659,103.25 × 139,102,320.08
4. Step 4: Simplify right side
   249,674,100.59x = 52,115,950,499,293,968
5. Step 5: Solve for x
   x = 52,115,950,499,293,968/249,674,100.59
6. Step 6: Final answer
   x = 208,735,909.64