Finding the Fourth Proportional to 42,878,830.15, 64,149,878.60 and 33,089,483.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,878,830.15 : 64,149,878.60 = 33,089,483.92 : x
2. Step 2: Convert to fraction form
   42,878,830.15/64,149,878.60 = 33,089,483.92/x
3. Step 3: Cross multiply
   42,878,830.15x = 64,149,878.60 × 33,089,483.92
4. Step 4: Simplify right side
   42,878,830.15x = 2,122,686,375,918,455.25
5. Step 5: Solve for x
   x = 2,122,686,375,918,455.25/42,878,830.15
6. Step 6: Final answer
   x = 49,504,297.78