Finding the Fourth Proportional to 4,999,136, 7,499,982.72 and 1,453,280

Step by Step Solution

1. Step 1: Write the proportion equation
   4,999,136 : 7,499,982.72 = 1,453,280 : x
2. Step 2: Convert to fraction form
   4,999,136/7,499,982.72 = 1,453,280/x
3. Step 3: Cross multiply
   4,999,136x = 7,499,982.72 × 1,453,280
4. Step 4: Simplify right side
   4,999,136x = 10,899,574,887,321.60
5. Step 5: Solve for x
   x = 10,899,574,887,321.60/4,999,136
6. Step 6: Final answer
   x = 2,180,291.73