Finding the Fourth Proportional to 42,791,122.74, 64,184,321.53 and 31,288,377.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,791,122.74 : 64,184,321.53 = 31,288,377.54 : x
2. Step 2: Convert to fraction form
   42,791,122.74/64,184,321.53 = 31,288,377.54/x
3. Step 3: Cross multiply
   42,791,122.74x = 64,184,321.53 × 31,288,377.54
4. Step 4: Simplify right side
   42,791,122.74x = 2,008,223,284,179,390.50
5. Step 5: Solve for x
   x = 2,008,223,284,179,390.50/42,791,122.74
6. Step 6: Final answer
   x = 46,930,838.82