Finding the Fourth Proportional to 157,467,978.10, 236,201,967.15 and 147,902,040.10

Step by Step Solution

1. Step 1: Write the proportion equation
   157,467,978.10 : 236,201,967.15 = 147,902,040.10 : x
2. Step 2: Convert to fraction form
   157,467,978.10/236,201,967.15 = 147,902,040.10/x
3. Step 3: Cross multiply
   157,467,978.10x = 236,201,967.15 × 147,902,040.10
4. Step 4: Simplify right side
   157,467,978.10x = 34,934,752,817,118,184
5. Step 5: Solve for x
   x = 34,934,752,817,118,184/157,467,978.10
6. Step 6: Final answer
   x = 221,853,060.15