Finding the Fourth Proportional to 31,042,570.64, 42,840,071.46 and 17,291,540.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,042,570.64 : 42,840,071.46 = 17,291,540.84 : x
2. Step 2: Convert to fraction form
   31,042,570.64/42,840,071.46 = 17,291,540.84/x
3. Step 3: Cross multiply
   31,042,570.64x = 42,840,071.46 × 17,291,540.84
4. Step 4: Simplify right side
   31,042,570.64x = 740,770,845,024,908.12
5. Step 5: Solve for x
   x = 740,770,845,024,908.12/31,042,570.64
6. Step 6: Final answer
   x = 23,863,063.85