Finding the Fourth Proportional to 2,152,897.23, 2,970,984.38 and 1,186,005.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,897.23 : 2,970,984.38 = 1,186,005.09 : x
2. Step 2: Convert to fraction form
   2,152,897.23/2,970,984.38 = 1,186,005.09/x
3. Step 3: Cross multiply
   2,152,897.23x = 2,970,984.38 × 1,186,005.09
4. Step 4: Simplify right side
   2,152,897.23x = 3,523,602,591,060.47
5. Step 5: Solve for x
   x = 3,523,602,591,060.47/2,152,897.23
6. Step 6: Final answer
   x = 1,636,679.42