Finding the Fourth Proportional to 128,061,721.42, 192,097,896.48 and 37,185,310.42

Step by Step Solution

1. Step 1: Write the proportion equation
   128,061,721.42 : 192,097,896.48 = 37,185,310.42 : x
2. Step 2: Convert to fraction form
   128,061,721.42/192,097,896.48 = 37,185,310.42/x
3. Step 3: Cross multiply
   128,061,721.42x = 192,097,896.48 × 37,185,310.42
4. Step 4: Simplify right side
   128,061,721.42x = 7,143,219,911,637,825
5. Step 5: Solve for x
   x = 7,143,219,911,637,825/128,061,721.42
6. Step 6: Final answer
   x = 55,779,508.76