Finding the Fourth Proportional to 42,946,554.75, 64,653,426.87 and 39,132,951.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,946,554.75 : 64,653,426.87 = 39,132,951.63 : x
2. Step 2: Convert to fraction form
   42,946,554.75/64,653,426.87 = 39,132,951.63/x
3. Step 3: Cross multiply
   42,946,554.75x = 64,653,426.87 × 39,132,951.63
4. Step 4: Simplify right side
   42,946,554.75x = 2,530,079,426,417,452.50
5. Step 5: Solve for x
   x = 2,530,079,426,417,452.50/42,946,554.75
6. Step 6: Final answer
   x = 58,912,279.25