Finding the Fourth Proportional to 16,880,468.42, 23,295,068.98 and 9,145,510.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,880,468.42 : 23,295,068.98 = 9,145,510.58 : x
2. Step 2: Convert to fraction form
   16,880,468.42/23,295,068.98 = 9,145,510.58/x
3. Step 3: Cross multiply
   16,880,468.42x = 23,295,068.98 × 9,145,510.58
4. Step 4: Simplify right side
   16,880,468.42x = 213,045,299,818,419.81
5. Step 5: Solve for x
   x = 213,045,299,818,419.81/16,880,468.42
6. Step 6: Final answer
   x = 12,620,816.82