Finding the Fourth Proportional to 293,849,199.72, 405,499,737.76 and 159,887,667.35

Step by Step Solution

1. Step 1: Write the proportion equation
   293,849,199.72 : 405,499,737.76 = 159,887,667.35 : x
2. Step 2: Convert to fraction form
   293,849,199.72/405,499,737.76 = 159,887,667.35/x
3. Step 3: Cross multiply
   293,849,199.72x = 405,499,737.76 × 159,887,667.35
4. Step 4: Simplify right side
   293,849,199.72x = 64,834,407,182,097,136
5. Step 5: Solve for x
   x = 64,834,407,182,097,136/293,849,199.72
6. Step 6: Final answer
   x = 220,638,365.68