Finding the Fourth Proportional to 252,556,818.72, 345,997,051.91 and 243,114,407.04

Step by Step Solution

1. Step 1: Write the proportion equation
   252,556,818.72 : 345,997,051.91 = 243,114,407.04 : x
2. Step 2: Convert to fraction form
   252,556,818.72/345,997,051.91 = 243,114,407.04/x
3. Step 3: Cross multiply
   252,556,818.72x = 345,997,051.91 × 243,114,407.04
4. Step 4: Simplify right side
   252,556,818.72x = 84,116,868,111,472,160
5. Step 5: Solve for x
   x = 84,116,868,111,472,160/252,556,818.72
6. Step 6: Final answer
   x = 333,061,164.37