Finding the Fourth Proportional to 31,106,436.90, 46,578,007.35 and 21,959,139.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,106,436.90 : 46,578,007.35 = 21,959,139.30 : x
2. Step 2: Convert to fraction form
   31,106,436.90/46,578,007.35 = 21,959,139.30/x
3. Step 3: Cross multiply
   31,106,436.90x = 46,578,007.35 × 21,959,139.30
4. Step 4: Simplify right side
   31,106,436.90x = 1,022,812,951,715,073.88
5. Step 5: Solve for x
   x = 1,022,812,951,715,073.88/31,106,436.90
6. Step 6: Final answer
   x = 32,881,070.73