Finding the Fourth Proportional to 109,587,698.72, 164,405,106.16 and 31,865,953.28

Step by Step Solution

1. Step 1: Write the proportion equation
   109,587,698.72 : 164,405,106.16 = 31,865,953.28 : x
2. Step 2: Convert to fraction form
   109,587,698.72/164,405,106.16 = 31,865,953.28/x
3. Step 3: Cross multiply
   109,587,698.72x = 164,405,106.16 × 31,865,953.28
4. Step 4: Simplify right side
   109,587,698.72x = 5,238,925,431,888,000
5. Step 5: Solve for x
   x = 5,238,925,431,888,000/109,587,698.72
6. Step 6: Final answer
   x = 47,805,780.15