Finding the Fourth Proportional to 120,142,620.18, 180,107,051.31 and 43,448,597.82

Step by Step Solution

1. Step 1: Write the proportion equation
   120,142,620.18 : 180,107,051.31 = 43,448,597.82 : x
2. Step 2: Convert to fraction form
   120,142,620.18/180,107,051.31 = 43,448,597.82/x
3. Step 3: Cross multiply
   120,142,620.18x = 180,107,051.31 × 43,448,597.82
4. Step 4: Simplify right side
   120,142,620.18x = 7,825,398,836,914,294
5. Step 5: Solve for x
   x = 7,825,398,836,914,294/120,142,620.18
6. Step 6: Final answer
   x = 65,134,244.83