Finding the Fourth Proportional to 381,449,699.76, 572,072,108.52 and 105,035,105.16

Step by Step Solution

1. Step 1: Write the proportion equation
   381,449,699.76 : 572,072,108.52 = 105,035,105.16 : x
2. Step 2: Convert to fraction form
   381,449,699.76/572,072,108.52 = 105,035,105.16/x
3. Step 3: Cross multiply
   381,449,699.76x = 572,072,108.52 × 105,035,105.16
4. Step 4: Simplify right side
   381,449,699.76x = 60,087,654,077,501,128
5. Step 5: Solve for x
   x = 60,087,654,077,501,128/381,449,699.76
6. Step 6: Final answer
   x = 157,524,449.79