Finding the Fourth Proportional to 42,878,830.65, 64,149,879.35 and 33,089,484.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,878,830.65 : 64,149,879.35 = 33,089,484.42 : x
2. Step 2: Convert to fraction form
   42,878,830.65/64,149,879.35 = 33,089,484.42/x
3. Step 3: Cross multiply
   42,878,830.65x = 64,149,879.35 × 33,089,484.42
4. Step 4: Simplify right side
   42,878,830.65x = 2,122,686,432,810,507.75
5. Step 5: Solve for x
   x = 2,122,686,432,810,507.75/42,878,830.65
6. Step 6: Final answer
   x = 49,504,298.53