Finding the Fourth Proportional to 342,097,155.72, 513,145,723.86 and 157,810,107.42

Step by Step Solution

1. Step 1: Write the proportion equation
   342,097,155.72 : 513,145,723.86 = 157,810,107.42 : x
2. Step 2: Convert to fraction form
   342,097,155.72/513,145,723.86 = 157,810,107.42/x
3. Step 3: Cross multiply
   342,097,155.72x = 513,145,723.86 × 157,810,107.42
4. Step 4: Simplify right side
   342,097,155.72x = 80,979,581,804,460,256
5. Step 5: Solve for x
   x = 80,979,581,804,460,256/342,097,155.72
6. Step 6: Final answer
   x = 236,715,156.65