Finding the Fourth Proportional to 42,878,830.08, 64,149,878.49 and 33,089,483.85

Step by Step Solution

1. Step 1: Write the proportion equation
   42,878,830.08 : 64,149,878.49 = 33,089,483.85 : x
2. Step 2: Convert to fraction form
   42,878,830.08/64,149,878.49 = 33,089,483.85/x
3. Step 3: Cross multiply
   42,878,830.08x = 64,149,878.49 × 33,089,483.85
4. Step 4: Simplify right side
   42,878,830.08x = 2,122,686,368,274,317.50
5. Step 5: Solve for x
   x = 2,122,686,368,274,317.50/42,878,830.08
6. Step 6: Final answer
   x = 49,504,297.68