Finding the Fourth Proportional to 40,555,031.99, 60,731,656.52 and 28,367,429.09

Step by Step Solution

1. Step 1: Write the proportion equation
   40,555,031.99 : 60,731,656.52 = 28,367,429.09 : x
2. Step 2: Convert to fraction form
   40,555,031.99/60,731,656.52 = 28,367,429.09/x
3. Step 3: Cross multiply
   40,555,031.99x = 60,731,656.52 × 28,367,429.09
4. Step 4: Simplify right side
   40,555,031.99x = 1,722,800,959,403,840.75
5. Step 5: Solve for x
   x = 1,722,800,959,403,840.75/40,555,031.99
6. Step 6: Final answer
   x = 42,480,572.08