Finding the Fourth Proportional to 31,155,106.88, 42,993,941.78 and 17,216,072.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,155,106.88 : 42,993,941.78 = 17,216,072.84 : x
2. Step 2: Convert to fraction form
   31,155,106.88/42,993,941.78 = 17,216,072.84/x
3. Step 3: Cross multiply
   31,155,106.88x = 42,993,941.78 × 17,216,072.84
4. Step 4: Simplify right side
   31,155,106.88x = 740,186,833,191,269.75
5. Step 5: Solve for x
   x = 740,186,833,191,269.75/31,155,106.88
6. Step 6: Final answer
   x = 23,758,122.10