Finding the Fourth Proportional to 42,728,592.42, 58,965,377.76 and 23,149,967.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,728,592.42 : 58,965,377.76 = 23,149,967.40 : x
2. Step 2: Convert to fraction form
   42,728,592.42/58,965,377.76 = 23,149,967.40/x
3. Step 3: Cross multiply
   42,728,592.42x = 58,965,377.76 × 23,149,967.40
4. Step 4: Simplify right side
   42,728,592.42x = 1,365,046,572,872,685
5. Step 5: Solve for x
   x = 1,365,046,572,872,685/42,728,592.42
6. Step 6: Final answer
   x = 31,946,911.79