Finding the Fourth Proportional to 42,575,726.93, 63,630,328.03 and 31,085,419.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,575,726.93 : 63,630,328.03 = 31,085,419.69 : x
2. Step 2: Convert to fraction form
   42,575,726.93/63,630,328.03 = 31,085,419.69/x
3. Step 3: Cross multiply
   42,575,726.93x = 63,630,328.03 × 31,085,419.69
4. Step 4: Simplify right side
   42,575,726.93x = 1,977,975,451,824,921
5. Step 5: Solve for x
   x = 1,977,975,451,824,921/42,575,726.93
6. Step 6: Final answer
   x = 46,457,819.85