Finding the Fourth Proportional to 42,575,725.93, 63,630,326.54 and 31,085,418.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,575,725.93 : 63,630,326.54 = 31,085,418.69 : x
2. Step 2: Convert to fraction form
   42,575,725.93/63,630,326.54 = 31,085,418.69/x
3. Step 3: Cross multiply
   42,575,725.93x = 63,630,326.54 × 31,085,418.69
4. Step 4: Simplify right side
   42,575,725.93x = 1,977,975,341,877,319
5. Step 5: Solve for x
   x = 1,977,975,341,877,319/42,575,725.93
6. Step 6: Final answer
   x = 46,457,818.36