Finding the Fourth Proportional to 31,009,981.93, 46,398,100.91 and 18,499,923.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,009,981.93 : 46,398,100.91 = 18,499,923.06 : x
2. Step 2: Convert to fraction form
   31,009,981.93/46,398,100.91 = 18,499,923.06/x
3. Step 3: Cross multiply
   31,009,981.93x = 46,398,100.91 × 18,499,923.06
4. Step 4: Simplify right side
   31,009,981.93x = 858,361,297,063,675
5. Step 5: Solve for x
   x = 858,361,297,063,675/31,009,981.93
6. Step 6: Final answer
   x = 27,680,161.15