Finding the Fourth Proportional to 155,499,380.64, 233,488,785.60 and 131,552,955.36

Step by Step Solution

1. Step 1: Write the proportion equation
   155,499,380.64 : 233,488,785.60 = 131,552,955.36 : x
2. Step 2: Convert to fraction form
   155,499,380.64/233,488,785.60 = 131,552,955.36/x
3. Step 3: Cross multiply
   155,499,380.64x = 233,488,785.60 × 131,552,955.36
4. Step 4: Simplify right side
   155,499,380.64x = 30,716,139,789,097,408
5. Step 5: Solve for x
   x = 30,716,139,789,097,408/155,499,380.64
6. Step 6: Final answer
   x = 197,532,232.36