Finding the Fourth Proportional to 300,099,798.96, 414,181,041.52 and 172,916,118.58

Step by Step Solution

1. Step 1: Write the proportion equation
   300,099,798.96 : 414,181,041.52 = 172,916,118.58 : x
2. Step 2: Convert to fraction form
   300,099,798.96/414,181,041.52 = 172,916,118.58/x
3. Step 3: Cross multiply
   300,099,798.96x = 414,181,041.52 × 172,916,118.58
4. Step 4: Simplify right side
   300,099,798.96x = 71,618,578,089,060,224
5. Step 5: Solve for x
   x = 71,618,578,089,060,224/300,099,798.96
6. Step 6: Final answer
   x = 238,649,203.82