Finding the Fourth Proportional to 252,635,085.73, 379,088,293.69 and 105,184,436.78

Step by Step Solution

1. Step 1: Write the proportion equation
   252,635,085.73 : 379,088,293.69 = 105,184,436.78 : x
2. Step 2: Convert to fraction form
   252,635,085.73/379,088,293.69 = 105,184,436.78/x
3. Step 3: Cross multiply
   252,635,085.73x = 379,088,293.69 × 105,184,436.78
4. Step 4: Simplify right side
   252,635,085.73x = 39,874,188,661,673,880
5. Step 5: Solve for x
   x = 39,874,188,661,673,880/252,635,085.73
6. Step 6: Final answer
   x = 157,833,139.24