Finding the Fourth Proportional to 119,387,480.72, 164,762,248.98 and 72,348,667.32

Step by Step Solution

1. Step 1: Write the proportion equation
   119,387,480.72 : 164,762,248.98 = 72,348,667.32 : x
2. Step 2: Convert to fraction form
   119,387,480.72/164,762,248.98 = 72,348,667.32/x
3. Step 3: Cross multiply
   119,387,480.72x = 164,762,248.98 × 72,348,667.32
4. Step 4: Simplify right side
   119,387,480.72x = 11,920,329,138,730,308
5. Step 5: Solve for x
   x = 11,920,329,138,730,308/119,387,480.72
6. Step 6: Final answer
   x = 99,845,721.41