Finding the Fourth Proportional to 10,596,123.30, 15,858,755.55 and 7,407,477.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,596,123.30 : 15,858,755.55 = 7,407,477.30 : x
2. Step 2: Convert to fraction form
   10,596,123.30/15,858,755.55 = 7,407,477.30/x
3. Step 3: Cross multiply
   10,596,123.30x = 15,858,755.55 × 7,407,477.30
4. Step 4: Simplify right side
   10,596,123.30x = 117,473,371,742,874.02
5. Step 5: Solve for x
   x = 117,473,371,742,874.02/10,596,123.30
6. Step 6: Final answer
   x = 11,086,448.17