Finding the Fourth Proportional to 40,740,499.61, 61,137,672.08 and 19,181,266.82

Step by Step Solution

1. Step 1: Write the proportion equation
   40,740,499.61 : 61,137,672.08 = 19,181,266.82 : x
2. Step 2: Convert to fraction form
   40,740,499.61/61,137,672.08 = 19,181,266.82/x
3. Step 3: Cross multiply
   40,740,499.61x = 61,137,672.08 × 19,181,266.82
4. Step 4: Simplify right side
   40,740,499.61x = 1,172,698,000,920,144.25
5. Step 5: Solve for x
   x = 1,172,698,000,920,144.25/40,740,499.61
6. Step 6: Final answer
   x = 28,784,575.84