Finding the Fourth Proportional to 42,575,721.93, 63,630,320.58 and 31,085,414.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,575,721.93 : 63,630,320.58 = 31,085,414.69 : x
2. Step 2: Convert to fraction form
   42,575,721.93/63,630,320.58 = 31,085,414.69/x
3. Step 3: Cross multiply
   42,575,721.93x = 63,630,320.58 × 31,085,414.69
4. Step 4: Simplify right side
   42,575,721.93x = 1,977,974,901,768,789.50
5. Step 5: Solve for x
   x = 1,977,974,901,768,789.50/42,575,721.93
6. Step 6: Final answer
   x = 46,457,812.39