Finding the Fourth Proportional to 73,758,048.10, 110,637,072.15 and 69,978,912.10

Step by Step Solution

1. Step 1: Write the proportion equation
   73,758,048.10 : 110,637,072.15 = 69,978,912.10 : x
2. Step 2: Convert to fraction form
   73,758,048.10/110,637,072.15 = 69,978,912.10/x
3. Step 3: Cross multiply
   73,758,048.10x = 110,637,072.15 × 69,978,912.10
4. Step 4: Simplify right side
   73,758,048.10x = 7,742,261,946,986,208
5. Step 5: Solve for x
   x = 7,742,261,946,986,208/73,758,048.10
6. Step 6: Final answer
   x = 104,968,368.15