Finding the Fourth Proportional to 45,990,705.62, 69,004,462.03 and 18,699,096.17

Step by Step Solution

1. Step 1: Write the proportion equation
   45,990,705.62 : 69,004,462.03 = 18,699,096.17 : x
2. Step 2: Convert to fraction form
   45,990,705.62/69,004,462.03 = 18,699,096.17/x
3. Step 3: Cross multiply
   45,990,705.62x = 69,004,462.03 × 18,699,096.17
4. Step 4: Simplify right side
   45,990,705.62x = 1,290,321,071,658,083.50
5. Step 5: Solve for x
   x = 1,290,321,071,658,083.50/45,990,705.62
6. Step 6: Final answer
   x = 28,056,126.87