Finding the Fourth Proportional to 42,993,710.22, 64,426,792.37 and 31,578,357.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,993,710.22 : 64,426,792.37 = 31,578,357.54 : x
2. Step 2: Convert to fraction form
   42,993,710.22/64,426,792.37 = 31,578,357.54/x
3. Step 3: Cross multiply
   42,993,710.22x = 64,426,792.37 × 31,578,357.54
4. Step 4: Simplify right side
   42,993,710.22x = 2,034,492,284,698,912.75
5. Step 5: Solve for x
   x = 2,034,492,284,698,912.75/42,993,710.22
6. Step 6: Final answer
   x = 47,320,695.84