Finding the Fourth Proportional to 57,217,482.46, 78,960,516.15 and 31,112,284.06

Step by Step Solution

1. Step 1: Write the proportion equation
   57,217,482.46 : 78,960,516.15 = 31,112,284.06 : x
2. Step 2: Convert to fraction form
   57,217,482.46/78,960,516.15 = 31,112,284.06/x
3. Step 3: Cross multiply
   57,217,482.46x = 78,960,516.15 × 31,112,284.06
4. Step 4: Simplify right side
   57,217,482.46x = 2,456,642,007,983,017.50
5. Step 5: Solve for x
   x = 2,456,642,007,983,017.50/57,217,482.46
6. Step 6: Final answer
   x = 42,935,164.26