Finding the Fourth Proportional to 136,309,736.73, 204,392,860.56 and 93,191,271.21

Step by Step Solution

1. Step 1: Write the proportion equation
   136,309,736.73 : 204,392,860.56 = 93,191,271.21 : x
2. Step 2: Convert to fraction form
   136,309,736.73/204,392,860.56 = 93,191,271.21/x
3. Step 3: Cross multiply
   136,309,736.73x = 204,392,860.56 × 93,191,271.21
4. Step 4: Simplify right side
   136,309,736.73x = 19,047,630,501,834,672
5. Step 5: Solve for x
   x = 19,047,630,501,834,672/136,309,736.73
6. Step 6: Final answer
   x = 139,737,857.02