Finding the Fourth Proportional to 72,943,436.96, 109,407,068.98 and 18,356,037.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,943,436.96 : 109,407,068.98 = 18,356,037.25 : x
2. Step 2: Convert to fraction form
   72,943,436.96/109,407,068.98 = 18,356,037.25/x
3. Step 3: Cross multiply
   72,943,436.96x = 109,407,068.98 × 18,356,037.25
4. Step 4: Simplify right side
   72,943,436.96x = 2,008,280,232,971,384
5. Step 5: Solve for x
   x = 2,008,280,232,971,384/72,943,436.96
6. Step 6: Final answer
   x = 27,532,020.93