Finding the Fourth Proportional to 31,008,559.88, 42,791,812.63 and 17,260,771.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,008,559.88 : 42,791,812.63 = 17,260,771.70 : x
2. Step 2: Convert to fraction form
   31,008,559.88/42,791,812.63 = 17,260,771.70/x
3. Step 3: Cross multiply
   31,008,559.88x = 42,791,812.63 × 17,260,771.70
4. Step 4: Simplify right side
   31,008,559.88x = 738,619,708,178,495.50
5. Step 5: Solve for x
   x = 738,619,708,178,495.50/31,008,559.88
6. Step 6: Final answer
   x = 23,819,864.94