Finding the Fourth Proportional to 128,013,036.58, 191,941,797.86 and 50,196,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   128,013,036.58 : 191,941,797.86 = 50,196,715.50 : x
2. Step 2: Convert to fraction form
   128,013,036.58/191,941,797.86 = 50,196,715.50/x
3. Step 3: Cross multiply
   128,013,036.58x = 191,941,797.86 × 50,196,715.50
4. Step 4: Simplify right side
   128,013,036.58x = 9,634,847,818,773,976
5. Step 5: Solve for x
   x = 9,634,847,818,773,976/128,013,036.58
6. Step 6: Final answer
   x = 75,264,583.01