Finding the Fourth Proportional to 128,070,141.72, 192,104,522.76 and 31,025,800.32

Step by Step Solution

1. Step 1: Write the proportion equation
   128,070,141.72 : 192,104,522.76 = 31,025,800.32 : x
2. Step 2: Convert to fraction form
   128,070,141.72/192,104,522.76 = 31,025,800.32/x
3. Step 3: Cross multiply
   128,070,141.72x = 192,104,522.76 × 31,025,800.32
4. Step 4: Simplify right side
   128,070,141.72x = 5,960,196,563,720,655
5. Step 5: Solve for x
   x = 5,960,196,563,720,655/128,070,141.72
6. Step 6: Final answer
   x = 46,538,533.37