Finding the Fourth Proportional to 31,039,478.74, 42,834,492.38 and 17,994,299.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,039,478.74 : 42,834,492.38 = 17,994,299.75 : x
2. Step 2: Convert to fraction form
   31,039,478.74/42,834,492.38 = 17,994,299.75/x
3. Step 3: Cross multiply
   31,039,478.74x = 42,834,492.38 × 17,994,299.75
4. Step 4: Simplify right side
   31,039,478.74x = 770,776,695,220,667
5. Step 5: Solve for x
   x = 770,776,695,220,667/31,039,478.74
6. Step 6: Final answer
   x = 24,832,140.44