Finding the Fourth Proportional to 141,978,816, 212,991,756.12 and 49,838,646.96

Step by Step Solution

1. Step 1: Write the proportion equation
   141,978,816 : 212,991,756.12 = 49,838,646.96 : x
2. Step 2: Convert to fraction form
   141,978,816/212,991,756.12 = 49,838,646.96/x
3. Step 3: Cross multiply
   141,978,816x = 212,991,756.12 × 49,838,646.96
4. Step 4: Simplify right side
   141,978,816x = 10,615,220,938,655,100
5. Step 5: Solve for x
   x = 10,615,220,938,655,100/141,978,816
6. Step 6: Final answer
   x = 74,766,230.89