Finding the Fourth Proportional to 21,674,393.46, 29,881,727.83 and 17,218,732.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,674,393.46 : 29,881,727.83 = 17,218,732.50 : x
2. Step 2: Convert to fraction form
   21,674,393.46/29,881,727.83 = 17,218,732.50/x
3. Step 3: Cross multiply
   21,674,393.46x = 29,881,727.83 × 17,218,732.50
4. Step 4: Simplify right side
   21,674,393.46x = 514,525,478,186,360.50
5. Step 5: Solve for x
   x = 514,525,478,186,360.50/21,674,393.46
6. Step 6: Final answer
   x = 23,738,863.98