Finding the Fourth Proportional to 42,878,831.65, 64,149,880.84 and 33,089,485.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,878,831.65 : 64,149,880.84 = 33,089,485.42 : x
2. Step 2: Convert to fraction form
   42,878,831.65/64,149,880.84 = 33,089,485.42/x
3. Step 3: Cross multiply
   42,878,831.65x = 64,149,880.84 × 33,089,485.42
4. Step 4: Simplify right side
   42,878,831.65x = 2,122,686,546,749,917.50
5. Step 5: Solve for x
   x = 2,122,686,546,749,917.50/42,878,831.65
6. Step 6: Final answer
   x = 49,504,300.03