Finding the Fourth Proportional to 68,298,962.72, 102,448,461.51 and 19,122,061.05

Step by Step Solution

1. Step 1: Write the proportion equation
   68,298,962.72 : 102,448,461.51 = 19,122,061.05 : x
2. Step 2: Convert to fraction form
   68,298,962.72/102,448,461.51 = 19,122,061.05/x
3. Step 3: Cross multiply
   68,298,962.72x = 102,448,461.51 × 19,122,061.05
4. Step 4: Simplify right side
   68,298,962.72x = 1,959,025,735,472,795.25
5. Step 5: Solve for x
   x = 1,959,025,735,472,795.25/68,298,962.72
6. Step 6: Final answer
   x = 28,683,096.46